Macgamestore.com has added Aspyr Media's Call of Duty Deluxe Edition to its selection of Mac digital download titles available for purchase. The WWII-based shooter pack includes both the original and its United Offensive expansion pack.

In the war that changed the world, no one fought alone. Experience the cinematic intensity of World War IIís epic battles including D-Day, the Russian Charge at Stalingrad and the Battle for Berlin.

Call of Duty Features:

Play through 24 epic single-player missions on four interconnected campaigns, or go online for Axis versus Allies team-based multiplayer action.Intense battlefield moments put you in the heat of the action, capturing the chaos of battle like never before.

Together with your squad, take on Nazi forces through a variety of authentic combat missions.

Move through the ranks, taking on more dangerous missions such as sniper missions and ambushes until you are promoted to tank commander.

Call of Duty: United Offensive Features:

13 new Single-Player missions!

11 new Multiplayer maps and 3 new modes, with vehicles including tanks and jeeps!

Fight in tanks, jeeps, motorcycles, even a bomber.

Work with your squad through snow and rain, using new weapons including flamethrowers and deployable machine guns, or by calling in artillery strikes.Join the 101st Airborne for the climactic moments of the Battle of the Bulge.

Fight as a British airman shooting down German ME-109ís from the gunner position of a B-17 bomber, before transferring to Churchillís elite S.O.E. and clearing the way for the invasion of Sicily.

Finally, follow your Russian comrades into the Battle of Kursk, one of the greatest tank battles of all time.